Question

calculate how many moles of the product form when 0.036mol of O2 completely reacts.

Answer 1

reacts with?

Answer 2

Too calculate how many moles, you need to also know the other reagant. Or the chemical equation
1. balance eqaution
2.find ratio between two chemicals
lets say its finding 6 mol of H2O with 2 mol of O2
you would do 0.036mol*(6/2)=mol of H2O
Good luck